遇到困难

There is no conceivable reason why there should be any difficulty.

想不有么理由可以说明会遇到困难。

I’ll help you with your mathematics if you’re stuck.

你要是在数学方面遇到困难, 我会来帮助你的。

Those young men are too easily disheartened by difficulties.

那些青人遇到困难时太容易泄气了。